// equalshashcode/IndividualTest.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.

import collections.MapOfList;

import java.util.List;
import java.util.Set;
import java.util.TreeSet;

public class IndividualTest {
    public static void main(String[] args) {
        Set<Individual> pets = new TreeSet<>();
        for (List<? extends Pet> lp :
                MapOfList.petPeople.values())
            for (Pet p : lp)
                pets.add(p);
        pets.forEach(System.out::println);
    }
}
/* Output:
Cat Elsie May
Cat Pinkola
Cat Shackleton
Cat Stanford
Cymric Molly
Dog Margrett
Mutt Spot
Pug Louie aka Louis Snorkelstein Dupree
Rat Fizzy
Rat Freckly
Rat Fuzzy
*/
